MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 fd4dca2ebd1e25ee70e9bfe020a124d5b94511afa266494f8a605282d53182c5. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.
Database Entry
RemcosRAT
Vendor detections: 17
| SHA256 hash: | fd4dca2ebd1e25ee70e9bfe020a124d5b94511afa266494f8a605282d53182c5 |
|---|---|
| SHA3-384 hash: | fb1709ea06c929062b0a779a94c9198ce721354f6a16aebc5ec88f27be02a3419dcb003d42eceacf33688e902a90350a |
| SHA1 hash: | c0d3e76258aa99bac6fdaf6522d26f3833ab5b49 |
| MD5 hash: | 6397510a0fe3e064bee8f93af1fb3a94 |
| humanhash: | eighteen-queen-magnesium-network |
| File name: | newrem.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 615'424 bytes |
| First seen: | 2025-07-23 03:26:27 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 2098f1d9025be063804aba93fcb7fb72 (2 x RemcosRAT) |
| ssdeep | 12288:8mmEXhe7R9ubKYcX1knn4gzHoS6oQ5Mt6w/j:8/ERWR9ubKYdnn4gzoS6t5I |
| Threatray | 4 similar samples on MalwareBazaar |
| TLSH | T1F4D46C55A3D442F4D07BC274C6824537E6B2B8056670462F03E75E5B6F233A29F2FB2A |
| TrID | 48.7% (.EXE) Win64 Executable (generic) (10522/11/4) 23.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 9.3% (.EXE) OS/2 Executable (generic) (2029/13) 9.2% (.EXE) Generic Win/DOS Executable (2002/3) 9.2% (.EXE) DOS Executable Generic (2000/1) |
| Magika | pebin |
| dhash icon | c4d48eaa8ad4d4f8 (1'000 x RemcosRAT, 1 x Worm.Ramnit, 1 x Vjw0rm) |
| Reporter |  nickkuechel |
| Tags: | exe remcos RemcosRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
521
Origin country :
USVendor Threat Intelligence
Malware family:
remcos
ID:
1
File name:
newrem.exe
Verdict:
Malicious activity
Analysis date:
2025-07-22 23:04:32 UTC
Tags:
remcos rat
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Detection(s):
Verdict:
Malicious
Score:
99.9%
Tags:
downloader dropper remcos virus
Result
Verdict:
Clean
Maliciousness:
Behaviour
Сreating synchronization primitives
Connection attempt
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-debug cmd crypto evasive exploit explorer fingerprint fingerprint keylogger lolbin microsoft_visual_cc packed rat rat remcos remcos windows
Verdict:
Malicious
Labled as:
Remcos.Generic
Malware family:
REMCOS
Verdict:
Malicious
Score:
100%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PDB Path PE (Portable Executable) Win 64 Exe x64
Detection:
remcos
Verdict:
Malicious
Threat:
Backdoor.Win32.Remcos
Threat name:
Win64.Backdoor.Remcos
Status:
Malicious
First seen:
2025-07-10 20:37:02 UTC
File Type:
PE+ (Exe)
Extracted files:
8
AV detection:
24 of 36 (66.67%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
remcos
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos
Verdict:
Malicious
Tags:
rat remcos Win.Trojan.Remcos-9841897-0
YARA:
malware_windows_remcos_rat win_remcos_rat_unpacked Windows_Trojan_Remcos_b296e965 MAL_EXE_Remcos_RAT_Jul_22
Unpacked files
SH256 hash:
fd4dca2ebd1e25ee70e9bfe020a124d5b94511afa266494f8a605282d53182c5
MD5 hash:
6397510a0fe3e064bee8f93af1fb3a94
SHA1 hash:
c0d3e76258aa99bac6fdaf6522d26f3833ab5b49
Detections:
win_remcos_w0
Remcos
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
YARA Signatures
MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.
| Rule name: | cobalt_strike_tmp01925d3f |
|---|---|
| Author: | The DFIR Report |
| Description: | files - file ~tmp01925d3f.exe |
| Reference: | https://thedfirreport.com |
| Rule name: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DetectEncryptedVariants |
|---|---|
| Author: | Zinyth |
| Description: | Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded |
| Rule name: | Disable_Defender |
|---|---|
| Author: | iam-py-test |
| Description: | Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen |
| Rule name: | FreddyBearDropper |
|---|---|
| Author: | Dwarozh Hoshiar |
| Description: | Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip. |
| Rule name: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM |
|---|---|
| Author: | ditekSHen |
| Description: | Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) |
| Rule name: | pe_detect_tls_callbacks |
|---|
| Rule name: | remcos_ |
|---|---|
| Author: | Michelle Khalil |
| Description: | This rule detects unpacked remcos malware samples. |
| Rule name: | Remcos_unpacked_PulseIntel |
|---|---|
| Author: | PulseIntel |
| Description: | Remcos Payload |
| Rule name: | Sus_CMD_Powershell_Usage |
|---|---|
| Author: | XiAnzheng |
| Description: | May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP) |
| Rule name: | ThreadControl__Context |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | Windows_Trojan_Remcos_b296e965 |
|---|---|
| Author: | Elastic Security |
| Reference: | https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set |
| Rule name: | win_remcos_rat_unpacked |
|---|---|
| Author: | Matthew @ Embee_Research |
| Description: | Detects strings present in remcos rat Samples. |
| Rule name: | win_remcos_w0 |
|---|---|
| Author: | Matthew @ Embee_Research |
| Description: | Detects strings present in remcos rat Samples. |
| Rule name: | yarahub_win_remcos_rat_unpacked_aug_2023 |
|---|---|
| Author: | Matthew @ Embee_Research |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
BLint
The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.
Findings
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (NX_COMPAT) | high |
| CHECK_NX | Missing Non-Executable Memory Protection | critical |
| CHECK_PIE | Missing Position-Independent Executable (PIE) Protection | high |
Reviews
| ID | Capabilities | Evidence |
|---|---|---|
| GDI_PLUS_API | Interfaces with Graphics | gdiplus.dll::GdiplusStartup gdiplus.dll::GdipGetImageEncodersSize gdiplus.dll::GdipGetImageEncoders gdiplus.dll::GdipAlloc |
| MULTIMEDIA_API | Can Play Multimedia | WINMM.dll::mciSendStringA WINMM.dll::mciSendStringW WINMM.dll::PlaySoundW WINMM.dll::waveInAddBuffer WINMM.dll::waveInClose WINMM.dll::waveInOpen |
| SECURITY_BASE_API | Uses Security Base API | ADVAPI32.dll::AdjustTokenPrivileges ADVAPI32.dll::GetTokenInformation |
| SHELL_API | Manipulates System Shell | SHELL32.dll::ShellExecuteExA SHELL32.dll::ShellExecuteW |
| URL_MONIKERS_API | Can Download & Execute components | urlmon.dll::URLDownloadToFileW urlmon.dll::URLOpenBlockingStreamW |
| WIN32_PROCESS_API | Can Create Process and Threads | KERNEL32.dll::CreateProcessW KERNEL32.dll::CreateProcessA KERNEL32.dll::OpenProcess ADVAPI32.dll::OpenProcessToken KERNEL32.dll::WriteProcessMemory KERNEL32.dll::CloseHandle WININET.dll::InternetCloseHandle |
| WIN_BASE_API | Uses Win Base API | KERNEL32.dll::TerminateProcess KERNEL32.dll::FindFirstVolumeW KERNEL32.dll::FindNextVolumeW KERNEL32.dll::LoadLibraryA KERNEL32.dll::LoadLibraryW KERNEL32.dll::LoadLibraryExW |
| WIN_BASE_EXEC_API | Can Execute other programs | KERNEL32.dll::AllocConsole KERNEL32.dll::WriteConsoleW KERNEL32.dll::ReadConsoleW KERNEL32.dll::SetConsoleOutputCP KERNEL32.dll::SetConsoleTextAttribute KERNEL32.dll::SetStdHandle |
| WIN_BASE_IO_API | Can Create Files | KERNEL32.dll::CopyFileW KERNEL32.dll::CreateDirectoryW KERNEL32.dll::CreateFileW KERNEL32.dll::DeleteFileA KERNEL32.dll::DeleteFileW KERNEL32.dll::MoveFileExW KERNEL32.dll::MoveFileW |
| WIN_BASE_USER_API | Retrieves Account Information | ADVAPI32.dll::GetUserNameW ADVAPI32.dll::LookupPrivilegeValueA KERNEL32.dll::QueryDosDeviceW |
| WIN_CRYPT_API | Uses Windows Crypt API | ADVAPI32.dll::CryptAcquireContextA ADVAPI32.dll::CryptGenRandom |
| WIN_REG_API | Can Manipulate Windows Registry | ADVAPI32.dll::RegCreateKeyExW ADVAPI32.dll::RegCreateKeyW ADVAPI32.dll::RegCreateKeyA ADVAPI32.dll::RegDeleteKeyA ADVAPI32.dll::RegOpenKeyExA ADVAPI32.dll::RegOpenKeyExW |
| WIN_SVC_API | Can Manipulate Windows Services | ADVAPI32.dll::ChangeServiceConfigW ADVAPI32.dll::ControlService ADVAPI32.dll::OpenSCManagerW ADVAPI32.dll::OpenSCManagerA ADVAPI32.dll::OpenServiceW ADVAPI32.dll::QueryServiceConfigW |
| WIN_USER_API | Performs GUI Actions | USER32.dll::AppendMenuA USER32.dll::EmptyClipboard USER32.dll::OpenClipboard USER32.dll::CreateWindowExA |
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